#include"mystdio.h"
#include<string.h>
#include<unistd.h>
int main()
{
  MY_FILE * filep=MyFopen("./log.txt","a");
  if(!filep)
  {
    printf("fopen error");
    return 1;
  }
  char *msg=(char *)"hello filep\n";
 Mywrite(filep,msg,strlen(msg));

 MyFclose(filep);
 return 0;
}
